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add cost

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This commit is contained in:
Dax Raad
2025-05-28 13:57:02 -04:00
parent f3b224090c
commit afe741b63e
5 changed files with 36 additions and 13 deletions
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19
js/src/session/session.ts
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@@ -17,6 +17,7 @@ import {
} from "ai";
import { z } from "zod";
import * as tools from "../tool";
import { Decimal } from "decimal.js";
import PROMPT_ANTHROPIC from "./prompt/anthropic.txt";
import PROMPT_TITLE from "./prompt/title.txt";
@@ -31,6 +32,7 @@ export namespace Session {
id: Identifier.schema("session"),
shareID: z.string().optional(),
title: z.string(),
cost: z.number().optional(),
tokens: z.object({
input: z.number(),
output: z.number(),
@@ -188,7 +190,7 @@ export namespace Session {
parts: input.parts,
},
]),
model,
model: model.instance,
}).then((result) => {
return Session.update(input.sessionID, (draft) => {
draft.title = result.text;
@@ -226,16 +228,23 @@ export namespace Session {
const result = streamText({
onStepFinish: (step) => {
update(input.sessionID, (draft) => {
draft.tokens.input += step.usage.inputTokens || 0;
draft.tokens.output += step.usage.outputTokens || 0;
draft.tokens.reasoning += step.usage.reasoningTokens || 0;
const input = step.usage.inputTokens ?? 0;
const output = step.usage.outputTokens ?? 0;
const reasoning = step.usage.reasoningTokens ?? 0;
draft.tokens.input += input;
draft.tokens.output += output;
draft.tokens.reasoning += reasoning;
draft.cost = new Decimal(draft.cost ?? 0)
.add(new Decimal(input).mul(model.info.cost.input))
.add(new Decimal(output).mul(model.info.cost.output))
.toNumber();
});
},
stopWhen: stepCountIs(1000),
messages: convertToModelMessages(msgs),
temperature: 0,
tools,
model,
model: model.instance,
});
msgs.push(next);